Rinnai 19
HW Demand Duo Systems OIM
Cold Water Supply
Install provided relief valves
ensuring they are the
correct pressure rating
Hot Water
Out
Primary Pump
Flow Direction
Additional heat
source module(s)
depending on
system size
Heat source
module with
mounted
controller
Thermistor Wiring
Pipes & fittings by installer
●
One Socket Outlet for each row of water heaters
MUST BE
provided by the installer. For example, a single row of
heaters requires one Socket Outlet whilst a back to back system (two rows of heaters) require two Socket Outlets.
●
Additional tanks can be used and
MUST BE
suitably plumbed with balanced pipework as indicated.
●
Ensure the thermistor is securely fitted to the well in the tank.
●
Ensure the primary pump(s) are securely plugged into the temperature controller and
NOT
plugged directly into a
Socket Outlet.
Plug the
power lead
supplied
into a
suitable
Socket
Outlet
Cold Water Supply
Install provided relief valves
ensuring they are the
correct pressure rating
Hot Water
Out
Primary Pump
Flow Direction
Additional heat
source module(s)
depending on
system size
Heat source
module with
mounted
controller
Thermistor Wiring
Pipes & fittings by installer
●
One Socket Outlet for each row of water heaters
MUST BE
provided by the installer. For example, a single row of
heaters requires one Socket Outlet whilst a back to back system (two rows of heaters) require two Socket Outlets.
●
Additional tanks can be used and
MUST BE
suitably plumbed with balanced pipework as indicated.
●
Ensure the thermistor is securely fitted to the well in the tank.
●
Ensure primary pump(s) are securely plugged into the temperature controller and
NOT
plugged directly into a
Socket Outlet.
Plug the
power lead
supplied
into a
suitable
Socket
Outlet
Figure 5. Demand Duo PLUS
Figure 6. Demand Duo PLUS (Additional Tank)
INSTALLATION INSTRUCTIONS
